/*语音播放样式*/
.audio {
	cursor: pointer;
  	background: url("../images/voice.png") 0 -512px no-repeat;
  	width: 30px;
  	height: 30px;
  	vertical-align: middle;
  	display: inline-block;
}
.audio-playing {
	cursor: pointer;
  	background: url("../images/voice.gif") 0 0 no-repeat;
  	width: 30px;
  	height: 30px;
  	vertical-align: middle;
  	display: inline-block;
}